<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        div{
            width: 100vm;
            height: 800px;
            /*border: 1px solid red;*/
        }

        img{
            width: 100%;
            height: 100%;
        }
    </style>
</head>
<body>
<div>
    <img src="../images/hello.jpg" />
</div>

<script>
    // alert("1847230701780570113")

</script>
</body>
</html>